CN211228597U - Enclosure component of assembled underground structure and connection structure of enclosure component and arch plate - Google Patents

Enclosure component of assembled underground structure and connection structure of enclosure component and arch plate Download PDF

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Publication number
CN211228597U
CN211228597U CN201921091164.4U CN201921091164U CN211228597U CN 211228597 U CN211228597 U CN 211228597U CN 201921091164 U CN201921091164 U CN 201921091164U CN 211228597 U CN211228597 U CN 211228597U
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China
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arc
plate
shaped
underground structure
steel
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徐军林
汪国良
付先进
朱丹
熊朝辉
王华兵
王鹏
周兵
毛良根
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China Railway Siyuan Survey and Design Group Co Ltd
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China Railway Siyuan Survey and Design Group Co Ltd
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Abstract

The utility model belongs to the technical field of the underground works is built, concretely relates to enclosure component of assembled underground structure and with the joint construction of arch board, establish the holding surface that is used for supporting the arch board on the enclosure component body, be equipped with the first connecting piece in the at least part embedding enclosure component body on the holding surface, first connecting piece is including being used for the first connecting plate of being connected with arch board location. A connection structure of an enclosure component and a cambered plate of an assembled underground structure comprises the cambered plate and the enclosure component; the arc-shaped prefabricated member is supported on the enclosing member, and the arc-shaped prefabricated member is connected with the enclosing member body through a cast-in-place structure; one end of the arc-shaped prefabricated part is provided with a second connecting piece; the second connecting piece is connected with the first connecting plate in a positioning mode. The utility model discloses a first connecting piece on the enclosure component is connected through cast-in-place between second connecting piece location connection and the arc prefab on the arch shaped plate and the enclosure component body, forms three hinge arch stable structure, is convenient for realize the big space effect of underground no post vault.

Description

Enclosure component of assembled underground structure and connection structure of enclosure component and arch plate
Technical Field
The utility model belongs to the technical field of the underground works is built, concretely relates to enclosure member of assembled underground structure and constructs with the connection of arch shaped plate thereof.
Background
At present, the underground structure is mostly constructed by the traditional cast-in-place reinforced concrete structure, the design process is complex, and the workload is large; in the field construction process, a large amount of labor force of multiple types is needed, the construction operation environment is poor, the construction process is complex, the construction speed is slow, the influence of various weather and climate is great, and the construction quality is difficult to ensure; meanwhile, a lot of waste construction waste is generated in the construction process, so that resources are wasted and the environment is polluted. The cast-in-place concrete structure construction management and control is uneven, various quality defects often appear in the appearance or the interior of the concrete structure due to various reasons after construction is completed, the later-stage repair difficulty is high, and the quality is difficult to guarantee.
With the development of the assembly type technology, partial assembly type design and construction technical schemes are developed in the underground structure, and some underground structures are only suitable for open excavation foundation pits with less underground water and adopting slope release or anchor cables (rods) and are not suitable for areas with inner supports and abundant underground water in the foundation pits; some conventional underground structures with columns are adopted, the view of underground spaces is not wide, and the conventional large-span column-free assembled underground structures are rare, particularly the assembled underground structures under the cover-excavation construction method are rare.
Disclosure of Invention
In order to overcome the not enough of above-mentioned prior art existence, the utility model aims at providing an enclosure component of assembled underground structure and with the joint construction of arched plate is applicable to open cut or cover and digs the assembled vault under the construction method and stride no post underground structure greatly, has realized the big space effect of building vision no post better.
In order to achieve the purpose, the technical scheme of the utility model is that the enclosing member of the assembled underground structure comprises an enclosing member body, wherein a supporting surface for supporting an arch plate is arranged on the enclosing member body, and the supporting surface is obliquely arranged; the supporting surface is provided with a first connecting piece, at least part of the first connecting piece is embedded into the enclosing member body, and the first connecting piece comprises a first connecting plate used for being connected with the arch-shaped plate in a positioning mode.
Furthermore, the number of the first connecting plates is at least two, and a gap for inserting the connecting end of the arch plate is arranged between two adjacent first connecting plates.
Furthermore, the first connecting piece also comprises a first embedded steel plate arranged on a supporting surface, and the first connecting plate is fixed on the first embedded steel plate; one side of the first embedded steel plate, which is far away from the first connecting plate, is welded with a first anchor bar, and the first anchor bar is embedded in the enclosure component body.
The utility model also provides a connection structure of the enclosing member and the arch-shaped plate of the assembled underground structure, which comprises the arch-shaped plate and the enclosing member; the arch plate comprises an arc-shaped prefabricated member, the arc-shaped prefabricated member is supported on the enclosure component, and the arc-shaped prefabricated member is connected with the enclosure component body through a cast-in-place structure; the arc prefabricated member be used for with the one end of enclosing member body connection is equipped with the second connecting piece, the second connecting piece is at least partly embedded in the arc prefabricated member, the second connecting piece with first connecting plate location is connected.
Furthermore, the second connecting piece comprises a second connecting plate, the second connecting plate is connected with the first connecting plate in a positioning mode, and the first connecting plate and the second connecting plate are both located in the cast-in-place structure.
Furthermore, the number of the second connecting plates is at least two, and a gap for inserting the corresponding first connecting plate is arranged between every two adjacent second connecting plates.
Further, the second connecting piece further comprises a second embedded steel plate arranged on the end face of the arc-shaped prefabricated piece, and the second connecting plate is fixed on the second embedded steel plate; and a second anchor bar is welded on one surface of the second embedded steel plate, which deviates from the second connecting plate, and the second anchor bar is embedded in the arc-shaped prefabricated member.
Furthermore, a steel bar framework is reserved on the arc-shaped prefabricated member, the bottom of the steel bar framework is embedded in the arc-shaped prefabricated member, the top of the steel bar framework extends out of the arc-shaped prefabricated member, and along the width direction of the underground structure, one end, close to the enclosure component body, of the steel bar framework extends into the cast-in-place structure.
Furthermore, the steel bar framework comprises a plurality of transverse steel bar frameworks which are arranged at intervals along the length direction of the underground structure, each transverse steel bar framework comprises a first arc-shaped steel bar, a second arc-shaped steel bar and a wave steel bar, and the first arc-shaped steel bar and the second arc-shaped steel bar are arranged along the width direction of the underground structure; first arc reinforcing bar set up in the arc prefab, second arc reinforcing bar set up in outside the arc prefab, the bottom and the top of wave muscle respectively with first arc reinforcing bar with second arc steel bar connection.
Furthermore, the steel bar framework further comprises a plurality of first longitudinal steel bars arranged in the arc-shaped prefabricated member and a plurality of second longitudinal steel bars arranged outside the arc-shaped prefabricated member, the first longitudinal steel bars and the second longitudinal steel bars are arranged at intervals along the width direction of the underground structure, the first longitudinal steel bars are connected with the first arc-shaped steel bars, the second longitudinal steel bars are connected with the second arc-shaped steel bars, and the wave troughs and the wave crests of the wave bars are connected with the first longitudinal steel bars and the second longitudinal steel bars respectively.
Compared with the prior art, the utility model discloses following beneficial effect has:
(1) the utility model provides an enclosure component is provided with an inclined supporting surface for supporting an arch-shaped plate, and a first connecting piece is arranged on the supporting surface and is connected with the arch-shaped plate in a positioning way, so that the arch-shaped plate can form a three-hinged arch stable structure, and the three-hinged arch stable structure is suitable for an assembled vault large-span non-column structure under an open cut or cover cut construction method, thereby being convenient for realizing the large space effect of an underground non-column vault and having good building visual effect;
(2) the utility model provides a second connecting piece on the arch plate is connected with the first connecting piece on the enclosure component body in the enclosure component and arch plate connection structure, realizes the location connection of enclosure component body and arch plate, and connects through cast in situ concrete between the holding surface of enclosure component body and the terminal surface of arch plate, node rigid connection, safe and reliable, the structural durability is good, and the on-the-spot assembly process is simple;
(3) the utility model provides an arc prefab that arch plate adopted is reserved has steel framework, can remove partial on-the-spot formwork, erect interim facilities such as scaffold frame from and realize that the lamination is cast-in-place, when satisfying the structure atress requirement, saves time limit for a project and investment.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
Fig. 1 is a schematic view of a connection structure between an enclosure member and a dome plate of a fabricated underground structure according to an embodiment of the present invention;
fig. 2 is a partial schematic view of a containment structure of a fabricated underground structure provided by an embodiment of the present invention;
fig. 3 is a partial schematic view of a fabricated underground structural arch plate provided in an embodiment of the present invention;
fig. 4 is a schematic view of an assembled underground structure provided by an embodiment of the present invention;
fig. 5 is a schematic view of an arc-shaped prefabricated member for arch plates of a fabricated underground structure according to an embodiment of the present invention;
fig. 6 is a schematic view of an arc-shaped prefabricated member for arch plates of a fabricated underground structure according to an embodiment of the present invention;
fig. 7 is a partial schematic view of a reinforcement frame on an arc-shaped prefabricated member of an assembled underground structure according to an embodiment of the present invention;
fig. 8 is a schematic connection diagram of arc-shaped prefabricated members of an assembled underground structure according to an embodiment of the present invention;
fig. 9 is a schematic connection diagram of arc-shaped prefabricated members of an assembled underground structure according to an embodiment of the present invention;
fig. 10 is a schematic connection diagram of arc-shaped prefabricated members of an assembled underground structure according to an embodiment of the present invention;
in the figure: 1. the enclosure member comprises an enclosure member body, 101, a supporting surface, 102, a first connecting plate, 103, a first pin hole, 104, a first embedded steel plate, 105, a first anchor bar, 2, an arc-shaped prefabricated member, 201, a second connecting plate, 202, a second pin hole, 203, a second embedded steel plate, 204, a second anchor bar, 205, a third connecting plate, 206, a third pin hole, 207, a third embedded steel plate, 208, a third anchor bar, 3, a cast-in-place structure, 4, a bolt, 5, a transverse steel bar framework, 501, a first arc-shaped steel bar, 502, a second arc-shaped steel bar, 503, a wave bar, 6, a first longitudinal steel bar, 7, a second longitudinal steel bar, 8, a vault cast-in-place layer, 9 and a cast-in-place connecting section.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
In the description of the present invention, it is to be understood that the terms "center", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are merely for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, are not to be construed as limiting the present invention.
The terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature; in the description of the present invention, "a plurality" means two or more unless otherwise specified.
As shown in fig. 1-2, an enclosure member of an assembled underground structure according to an embodiment of the present invention includes an enclosure member body 1, a supporting surface 101 for supporting an arch-shaped plate is disposed on the enclosure member body 1, and the supporting surface 101 is inclined from top to bottom; the supporting surface 101 is provided with a first connecting piece, the first connecting piece is at least partially embedded into the enclosure component body 1, and the first connecting piece comprises a first connecting plate 102 used for being connected with the arch plate in a positioning mode. The utility model provides a be equipped with the holding surface that is used for supporting the slope of arched plate on the enclosure component to set up first connecting piece and arched plate location connection on the holding surface, make the arched plate can form three hinged arch stable structure, be applicable to open cut or cover and dig assembled vault such as urban rail transit underground station, basement, utility tunnel under the construction method and stride no post structure main part greatly, as shown in fig. 4, be convenient for realize the big space effect of no post vault underground, building visual effect is good.
Further, the first connecting plate 102 in this embodiment may be one, in which case there are two second connecting plates 201 on the arc-shaped preform 2 for positioning connection with the first connecting plate 102, and there is a gap between the two second connecting plates 201 for the first connecting plate 102 to be inserted, so that the first connecting plate 102 is inserted between the two second connecting plates 201 and is fixedly connected by the bolt 4; in this embodiment, there may be at least two first connection plates 102, and a gap for inserting the second connection plate 201 on the arc-shaped preform 2 is provided between two adjacent first connection plates, and at least one second connection plate 201 is inserted between two corresponding first connection plates 102 and is fixedly connected by the latch 4.
Further, each first connection plate 102 is provided with a first pin hole 103 for passing the bolt 4. The pin 4 passes through the first pin hole 103 on the first connecting plate 102 and the second pin hole 202 on the second connecting plate 201 on the arc-shaped prefabricated member 2 to realize the positioning connection of the enclosing member body 1 and the arc-shaped prefabricated member 2.
Further, the first connecting piece further comprises a first embedded steel plate 104 arranged on the supporting surface 101, and the first connecting plate 102 is fixed on the first embedded steel plate 104; one side of the first embedded steel plate 104, which is far away from the first connecting plate 102, is welded with a first anchor bar 105, and the first anchor bar 105 is embedded in the enclosure component body 1, so that the integrity of the first connecting plate 102 and the enclosure component body 1 is improved.
As shown in fig. 1-3, the present invention further provides a connection structure between an enclosure member and a dome plate of an assembled underground structure, comprising a dome plate and the above enclosure member; the arch-shaped plate comprises an arc-shaped prefabricated member 2, the arc-shaped prefabricated member is supported on the enclosure component, and the arc-shaped prefabricated member 2 is connected with the enclosure component body 1 through a cast-in-place structure 3; the end of the arc-shaped prefabricated member 2 used for being connected with the enclosing member body 1 is provided with a second connecting piece, at least part of the second connecting piece is embedded into the arc-shaped prefabricated member 2, and one end of the second connecting piece, which is positioned outside the arc-shaped prefabricated member 2, is connected with the first connecting plate 102 in a positioning manner. The second connecting piece on the arch-shaped plate of this embodiment is connected with the first connecting piece location on the enclosure component body, realizes that the enclosure component body is connected with the location of arch-shaped plate, and connects through cast in situ concrete between the holding surface of enclosure component body and the terminal surface of arch-shaped plate, and connected node safe and reliable, the structural durability is good, and the on-the-spot process of assembling is simple.
Further, the second connecting member comprises a second connecting plate 201, the second connecting plate 201 is connected with the first connecting plate 102 in a positioning mode through the bolt 4, and the first connecting plate 102 and the second connecting plate 201 are located in the cast-in-place structure 3. The second connecting plate 201 in this embodiment may be one; at least two second connecting plates 201 may be provided, and a gap into which the corresponding first connecting plate 102 is inserted is provided between the two adjacent second connecting plates. The first connection plate 102 and the second connection plate 201 in this embodiment are connected in the same manner as the second connection plate 201 and the third connection plate 205 shown in fig. 9.
Further, the second connecting piece also comprises a second embedded steel plate 203 arranged on the end face of the arc-shaped prefabricated part 2, and the second connecting plate 201 is fixed on the second embedded steel plate 203; one side of the second embedded steel plate 203, which deviates from the second connecting plate 201, is welded with a second anchor bar 204, and the second anchor bar 204 is embedded into the arc-shaped prefabricated member 2, so that the integrity of the second connecting plate 201 and the arc-shaped prefabricated member 2 is improved.
Further, a steel bar framework is reserved on the arc-shaped prefabricated member 2, the bottom of the steel bar framework is embedded in the arc-shaped prefabricated member 2, the top of the steel bar framework extends out of the arc-shaped prefabricated member 2, and along the width direction of the underground structure, one end, close to the enclosing member body 1, of the steel bar framework extends into the cast-in-place structure 3. In this embodiment, along the width direction of the underground structure, both ends of the steel reinforcement frame all extend out of the arc-shaped prefabricated members 2, wherein one end extends into the cast-in-place structure 3 between the enclosure member and the arc-shaped prefabricated members 2, and the other end extends into the cast-in-place connecting section 9 between the two arc-shaped prefabricated members 2, and when the two arc-shaped prefabricated members 2 are assembled, the steel reinforcement frames of the two arc-shaped prefabricated members 2 are partially overlapped and arranged in the cast-in-place connecting section 9. The steel bar framework in the embodiment is prefabricated in a factory, the steel bars do not need to be tied up and fixed at the construction site, the problems that the construction of the steel bar joints at the joints of prefabricated parts at the construction site is difficult, the joint connection quality is uncontrollable are solved, temporary facilities such as part of site formwork supporting and scaffold erection can be omitted, and the construction period is shortened.
Furthermore, the steel bar framework comprises a plurality of transverse steel bar frameworks 5 arranged at intervals along the length direction of the underground structure, each transverse steel bar framework 5 comprises a first arc-shaped steel bar 501, a second arc-shaped steel bar 502 and a wave steel bar 503, and the first arc-shaped steel bar 501 and the second arc-shaped steel bar 502 are arranged along the width direction of the underground structure; first arc reinforcing bar 501 sets up in arc prefab 2, and second arc reinforcing bar 502 sets up outside arc prefab 2, and wave muscle 503's bottom and top are connected with first arc reinforcing bar 501 and second arc reinforcing bar 502 respectively. The wavy ribs 503 of the present embodiment may be arranged in the width direction of the fabricated structure, or may be arranged in the length direction of the fabricated structure. As shown in fig. 7, the wavy ribs 503 are arranged along the width direction of the fabricated structure, the upper portions of the wavy ribs 503 extend out of the fabricated part and are connected with the second arc-shaped steel bars 502, so that the effect of fixing the second arc-shaped steel bars 502 can be achieved, and the upper portions of the wavy ribs can be used as a part of stressed steel bars after the laminated structure is formed. In addition, the corrugated ribs 503 in this embodiment may be continuous or discontinuous, and the specific form is determined according to the design requirement.
Furthermore, a plurality of first longitudinal steel bars 6 are arranged in the arc-shaped prefabricated member 2 at intervals along the width direction of the underground structure, and each first longitudinal steel bar 6 is connected with the first arc-shaped steel bar 501; the wave trough of the wave rib 503 is connected with the first longitudinal steel bar 6; a plurality of second longitudinal steel bars 7 are arranged outside the arc-shaped prefabricated member 2 at intervals along the width direction of the underground structure, and each second longitudinal steel bar 7 is connected with a second arc-shaped steel bar 502; the wave crest of the wave rib 503 is connected with the second longitudinal reinforcing steel bar 7. The connection between the transverse steel bar frameworks 5 is reinforced by connecting the first longitudinal steel bar 6 and the second longitudinal steel bar 7 which are arranged along the length direction of the underground structure with the transverse steel bar frameworks 5 which are arranged along the length direction of the underground structure.
The arch-shaped plate of this embodiment includes two arc prefabs 2, pours cast-in-place linkage segment 9 between two arc prefabs 2, pours vault cast-in-place layer 8 on two arc prefabs, and vault cast-in-place layer 8 forms the congruent structure with arc prefab 2, as shown in fig. 8, improves assembled underground structure's waterproof performance and whole atress performance effectively, can be used to rich water area. The cast-in-place structure 3, the cast-in-place connecting section 9 and the vault cast-in-place layer 8 in the embodiment can be integrally cast. The utility model provides an arch-shaped plate adopts reasonable component blocking scheme, and prefab size is standardized, has reduced design work load, has improved production efficiency, and can also reduce size and the weight of single arc prefab 2 for the size and the weight of prefab can adapt to the on-the-spot hoist and mount that have the support foundation ditch, assemble the requirement, the transportation of the prefab of being convenient for, and can solve the underground structure prefabricated plate component assembled difficult problem of being under construction of in-band support, can realize industrialization popularization and application better.
As shown in fig. 10, the transverse steel reinforcement frames 5 of the two arc-shaped prefabricated members 2 of the present embodiment are alternately arranged in the cast-in-place connecting section 9, wherein the second longitudinal steel reinforcement 7 is disposed on the portion of the steel reinforcement frame of one arc-shaped prefabricated member 2 extending into the cast-in-place connecting section 9, and the second longitudinal steel reinforcement 7 is not disposed on the portion of the steel reinforcement frame of the other arc-shaped prefabricated member 2 extending into the cast-in-place connecting section 9, so that the steel reinforcement frames of the two arc-shaped prefabricated members 2 can be partially overlapped, and the integrity and the stress performance of the two arc-shaped prefabricated members 2.
The structure of the arc prefabricated member 2 adopted by the arch plate of the embodiment is as shown in fig. 5 and fig. 6, one end of the arc prefabricated member 2 is provided with a second connecting piece connected with the enclosure member body 1, the other end is provided with a third connecting piece connected with another arc prefabricated member 2, the third connecting piece comprises a plurality of third connecting plates 205 arranged at intervals along the length direction of the underground structure, the third connecting plates 205 are positioned in a cast-in-place connecting section 9 between the two arc prefabricated members 2, and the third connecting plates 205 and the second connecting plates 201 of another arc prefabricated member 2 with the same structure as that of fig. 2 are inserted in a staggered mode and connected through the bolts 4, as shown in fig. 7.
Further, the number of the second connection plates 201 is the same as or different from the number of the third connection plates 205 by one. Preferably, the first connecting piece, the second connecting piece and the third connecting piece are in one-to-one correspondence, the number of the first connecting plate 103, the second connecting plate 201 and the third connecting plate 205 is at least one, and the number of the first connecting plate, the number of the second connecting plate and the number of the third connecting plate may be the same or different; when the number of the first connecting plates 102 is the same as that of the third connecting plates 205, the difference between the number of the second connecting plates 201 and that of the first connecting plates 102 or the third connecting plates 205 is one, so that the splicing of two identical arc-shaped prefabricated members is realized, the size of the prefabricated members is standardized, the design workload is reduced, and the production efficiency of the prefabricated members is improved. As shown in fig. 6, there are one second connecting plate 201 and two third connecting plates 205, when two arc-shaped preforms 2 are connected, as shown in fig. 7, the second connecting plate 201 on one arc-shaped preform 2 is inserted between two third connecting plates 205 of another arc-shaped preform 2, a third pin hole 206 is arranged on the third connecting plate 205 at a position corresponding to the second pin hole 202, and the two arc-shaped preforms 2 with the same structure are spliced by passing the pin 9 through the third pin hole 206 on the third connecting plate 205 and the second pin hole 202 on the second connecting plate 201.
The two end faces of the arc-shaped prefabricated member 2 are respectively provided with a second embedded steel plate 203 and a third embedded steel plate 207, the third connecting plate 205 is fixed on the third embedded steel plate 207, a third anchor bar 208 is welded on one face of the third embedded steel plate 207, which is far away from the third connecting plate 205, and the third anchor bar 208 is embedded into the arc-shaped prefabricated member 2. In this embodiment, the ends of the first anchor bar 105, the second anchor bar 204, and the third anchor bar 208 are all bent to form an anchor hook, so as to further improve the connection strength between the connection plate and the enclosure member body 1 or the arc-shaped prefabricated member 2.
The number of the first connecting pieces, the number of the second connecting pieces and the number of the third connecting pieces are all a plurality, and the first connecting pieces, the second connecting pieces and the third connecting pieces are all arranged at intervals along the length direction of the underground structure; the specific number of connecting pieces is determined according to the size and the strength requirement of the arc-shaped prefabricated member 1. As shown in fig. 9, the two second connecting members on the arc-shaped prefabricated members 2 are respectively connected with the two third connecting members on the other arc-shaped prefabricated member 2, so that the connecting strength is improved.
The utility model also provides a construction method of above-mentioned assembled underground structure's envelope component and arched plate's connection structure:
1) binding a steel reinforcement cage and pouring concrete according to the shape and structure requirements of the enclosure member body 1, constructing a supporting surface 102 for supporting the arched plate on the enclosure member body 1, arranging a first embedded steel plate 104 on the supporting surface 102, welding a first connecting plate 102 and a first anchor bar 105 on the first embedded steel plate 104, embedding the first anchor bar 105 into the enclosure member body 1, completing the construction of the enclosure member, as shown in figure 2,
2) constructing a crown beam, erecting a first support and excavating to the bottom surface of the arched pre-slab;
3) prefabricating the arc-shaped prefabricated member 2 in a factory according to the construction requirements of the arc-shaped prefabricated member, wherein a second embedded steel plate 203 is arranged on the end face of one end of the arc-shaped prefabricated member 2, and a second connecting plate 201 and a second anchor bar 104 are welded on the second embedded steel plate 203, as shown in fig. 3; and hoisting the arc-shaped prefabricated part 2 and positioning.
4) The first connecting plate 102 on the enclosing member body 1 and the second connecting plate 201 on the arc-shaped prefabricated member 2 are subjected to bolt locking by using a bolt 4;
5) cast-in-place pouring of a connecting node area between the enclosure component body 1 and the arc-shaped prefabricated member 2 is completed;
6) and finishing subsequent construction according to the design requirements of the underground structure.
The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (10)

1. A building envelope component of assembled underground structure which characterized in that: the support structure comprises a support member body, wherein a support surface for supporting an arched plate is arranged on the support member body, and the support surface is obliquely arranged; the supporting surface is provided with a first connecting piece, at least part of the first connecting piece is embedded into the enclosing member body, and the first connecting piece comprises a first connecting plate used for being connected with the arch-shaped plate in a positioning mode.
2. A containment structure for a fabricated underground structure as claimed in claim 1, wherein: the number of the first connecting plates is at least two, and a gap for inserting the connecting end of the arch-shaped plate is arranged between every two adjacent first connecting plates.
3. A containment structure for a fabricated underground structure as claimed in claim 1, wherein: the first connecting piece further comprises a first embedded steel plate arranged on the supporting surface, and the first connecting plate is fixed on the first embedded steel plate; one side of the first embedded steel plate, which is far away from the first connecting plate, is welded with a first anchor bar, and the first anchor bar is embedded in the enclosure component body.
4. The utility model provides a connection structure of enclosure member and arched plate of assembled underground structure which characterized in that: comprising a fencing element according to any one of claims 1-3 and a domeplate; the arch plate comprises an arc-shaped prefabricated member, the arc-shaped prefabricated member is supported on the enclosure component, and the arc-shaped prefabricated member is connected with the enclosure component body through a cast-in-place structure; the arc prefabricated member be used for with the one end of enclosing member body connection is equipped with the second connecting piece, the second connecting piece is at least partly embedded in the arc prefabricated member, the second connecting piece with first connecting plate location is connected.
5. A construction for coupling a surrounding structure of a fabricated underground structure with a dome plate, according to claim 4, wherein: the second connecting piece comprises a second connecting plate, the second connecting plate is connected with the first connecting plate in a positioning mode, and the first connecting plate and the second connecting plate are both located in the cast-in-place structure.
6. A construction for coupling a surrounding structure of a fabricated underground structure with a dome plate, according to claim 5, wherein: the number of the second connecting plates is at least two, and a gap for the corresponding first connecting plate to insert is arranged between every two adjacent second connecting plates.
7. A construction for coupling a surrounding structure of a fabricated underground structure with a dome plate, according to claim 5, wherein: the second connecting piece also comprises a second embedded steel plate arranged on the end face of the arc-shaped prefabricated piece, and the second connecting plate is fixed on the second embedded steel plate; and a second anchor bar is welded on one surface of the second embedded steel plate, which deviates from the second connecting plate, and the second anchor bar is embedded in the arc-shaped prefabricated member.
8. A construction for coupling a surrounding structure of a fabricated underground structure with a dome plate, according to claim 4, wherein: a steel bar framework is reserved on the arc-shaped prefabricated member, the bottom of the steel bar framework is embedded in the arc-shaped prefabricated member, the top of the steel bar framework extends out of the arc-shaped prefabricated member and along the width direction of the underground structure, and one end, close to the enclosure component body, of the steel bar framework extends into the cast-in-place structure.
9. A construction for coupling a surrounding structure of a fabricated underground structure with a dome plate, according to claim 8, wherein: the steel bar framework comprises a plurality of transverse steel bar frameworks which are arranged at intervals along the length direction of the underground structure, the transverse steel bar frameworks comprise first arc-shaped steel bars, second arc-shaped steel bars and wave bars, and the first arc-shaped steel bars and the second arc-shaped steel bars are arranged along the width direction of the underground structure; first arc reinforcing bar set up in the arc prefab, second arc reinforcing bar set up in outside the arc prefab, the bottom and the top of wave muscle respectively with first arc reinforcing bar with second arc steel bar connection.
10. A construction for coupling a surrounding structure of a fabricated underground structure with a dome plate, according to claim 9, wherein: the steel bar framework is characterized in that the steel bar framework further comprises a plurality of first longitudinal steel bars arranged in the arc prefabricated member and a plurality of second longitudinal steel bars arranged outside the arc prefabricated member, the first longitudinal steel bars and the second longitudinal steel bars are arranged at intervals along the width direction of the underground structure, the first longitudinal steel bars are connected with the first arc steel bars, the second longitudinal steel bars are connected with the second arc steel bars, and the wave troughs and the wave crests of the wave bars are connected with the first longitudinal steel bars and the second longitudinal steel bars respectively.
CN201921091164.4U 2019-07-12 2019-07-12 Enclosure component of assembled underground structure and connection structure of enclosure component and arch plate Active CN211228597U (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110359488A (en) * 2019-07-12 2019-10-22 中铁第四勘察设计院集团有限公司 A kind of fender member of assembled underground structure and its connecting structure with arch sheet
CN115354691A (en) * 2022-09-13 2022-11-18 成都市市政工程设计研究院有限公司 Connection structure of prefabricated section of utility tunnel arc and cast-in-place node

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110359488A (en) * 2019-07-12 2019-10-22 中铁第四勘察设计院集团有限公司 A kind of fender member of assembled underground structure and its connecting structure with arch sheet
CN115354691A (en) * 2022-09-13 2022-11-18 成都市市政工程设计研究院有限公司 Connection structure of prefabricated section of utility tunnel arc and cast-in-place node
CN115354691B (en) * 2022-09-13 2024-03-26 成都市市政工程设计研究院有限公司 Connection structure of utility tunnel arc prefabricated section and cast-in-place node

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